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Ice Man, Ötzi: A treacherous murder with links to Central Italy

The copper used to make Ötzi’s axe blade did not come from the Alpine region as had previously been supposed, but from ore mined in southern Tuscany. Ötzi was probably not involved in working the metal himself, as the high levels of arsenic and copper found in his hair had, until now, led us to…

Pluto’s ‘heart’ sheds light on possible buried ocean

A giant asteroid impact in the dwarf planet’s past offers new insights into the possibility of an ocean beneath its surface. Ever since NASA’s New Horizons spacecraft flew by Pluto last year, evidence has been mounting that the dwarf planet may have a liquid ocean beneath its icy shell. Now, by modeling the impact dynamics…

Shape-shifters found in the Belt Supergroup: Revelations about Tappania plana

The rise of eukaryotic organisms (organisms with complex cells, or a single cell with a complex structure) is still a mystery, but Zachary Adam (Harvard University) and colleagues have compelling evidence that Tappania plana may represent one of the earliest eukaryotic fossils. Well-preserved Tappania plana fossils from his Montana field site could be a crown-group…

Insights into Sleep deficiency in teens and tips to manage the same

Teens need to sleep for nine to nine-and-a-half hours each night for sound health. According to studies, some teenagers do not get sufficient sleep on a daily basis and sleep only for six to seven hours due to which, they fall asleep in the class. Besides, sleep deficiency can affect teens in various ways. Causes…

Infectious Mononucleosis: The kissing disease

What is infectious mononucleosis? Infectious mononucleosis is often referred to as the “kissing disease” as it spreads primarily through saliva. It is often reported in young adults and teens but can occur at any age. It is also known as mono, mononucleosis and glandular fever. Causes Though other viruses also can cause Infectious mononucleosis, it is…

Tips to overcome depression in diabetic teens

Teenage is a ‘transition phase’ where a teen undergoes a lot of physical and emotional changes and starts taking new roles and responsibilities. During this phase, they struggle to be independent and don’t like to be restricted. Opposing to this intent of freedom, if a teen is diagnosed with a disease of restrictions – ‘…

How rattlesnakes got, and lost, their venom

Millions of years ago, as the snake family tree grew new branches, the ancestor of modern rattlesnakes was endowed with a genetic arsenal of toxic weaponry, including genes for toxins that poison the blood, toxins that damage muscle and toxins that affect the nervous system, a research team headed by Sean B. Carroll at the…

Tasty letters? Sensory connections spill over in synesthesia

  Neuroscientists at Emory University have found that people who experience a mixing of the senses, known as synesthesia, are more sensitive to associations everyone has between the sounds of words and visual shapes. Synesthesia is a stable trait, and estimated to be present in 1 to 4 percent of people. It can be inherited,…

Brain-sensing technology allows typing at 12 words per minute

It does not take an infinite number of monkeys to type a passage of Shakespeare. Instead, it takes a single monkey equipped with brain-sensing technology — and a cheat sheet. That technology, developed by Stanford Bio-X scientists Krishna Shenoy, a professor of electrical engineering at Stanford, and postdoctoral fellow Paul Nuyujukian, directly reads brain signals…

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